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authorThomas Gleixner <tglx@linutronix.de>2011-02-07 21:02:10 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-02-19 12:58:16 +0100
commit3d67baec7f1b01fc289ac1a2f1a7e6d5e43391c6 (patch)
treef496998278faa653174e185924acb0c74ac2e1b2
parent009b4c3b8ad584b3462734127a5bec680d5d6af4 (diff)
genirq: Move IRQ_ONESHOT to core
No users outside of core. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--include/linux/irq.h1
-rw-r--r--kernel/irq/chip.c2
-rw-r--r--kernel/irq/internals.h2
-rw-r--r--kernel/irq/manage.c8
4 files changed, 7 insertions, 6 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 274590fc55a3..1a4c723e74e1 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -71,7 +71,6 @@ typedef void (*irq_flow_handler_t)(unsigned int irq,
#define IRQ_MOVE_PCNTXT 0x01000000 /* IRQ migration from process context */
#define IRQ_AFFINITY_SET 0x02000000 /* IRQ affinity was set from userspace*/
#define IRQ_SUSPENDED 0x04000000 /* IRQ has gone through suspend sequence */
-#define IRQ_ONESHOT 0x08000000 /* IRQ is not unmasked after hardirq */
#define IRQ_NESTED_THREAD 0x10000000 /* IRQ is nested into another, no own handler thread */
#define IRQF_MODIFY_MASK \
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 075385549dcd..420fa6bdb117 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -472,7 +472,7 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
handle_irq_event(desc);
- if (!(desc->status & (IRQ_DISABLED | IRQ_ONESHOT)))
+ if (!(desc->status & IRQ_DISABLED) && !(desc->istate & IRQS_ONESHOT))
unmask_irq(desc);
out_unlock:
raw_spin_unlock(&desc->lock);
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index d1cb1f8df6fe..36563f731ff8 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -42,12 +42,14 @@ enum {
* detection
* IRQS_POLL_INPROGRESS - polling in progress
* IRQS_INPROGRESS - Interrupt in progress
+ * IRQS_ONESHOT - irq is not unmasked in primary handler
*/
enum {
IRQS_AUTODETECT = 0x00000001,
IRQS_SPURIOUS_DISABLED = 0x00000002,
IRQS_POLL_INPROGRESS = 0x00000008,
IRQS_INPROGRESS = 0x00000010,
+ IRQS_ONESHOT = 0x00000020,
};
#define irq_data_to_desc(data) container_of(data, struct irq_desc, irq_data)
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 7e5a50825088..aca4208a03ac 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -697,7 +697,7 @@ static int irq_thread(void *data)
};
struct irqaction *action = data;
struct irq_desc *desc = irq_to_desc(action->irq);
- int wake, oneshot = desc->status & IRQ_ONESHOT;
+ int wake, oneshot = desc->istate & IRQS_ONESHOT;
sched_setscheduler(current, SCHED_FIFO, &param);
current->irqaction = action;
@@ -897,12 +897,12 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
desc->status |= IRQ_PER_CPU;
#endif
- desc->status &= ~(IRQ_WAITING | IRQ_ONESHOT);
+ desc->status &= ~IRQ_WAITING;
desc->istate &= ~(IRQS_AUTODETECT | IRQS_SPURIOUS_DISABLED | \
- IRQS_INPROGRESS);
+ IRQS_INPROGRESS | IRQS_ONESHOT);
if (new->flags & IRQF_ONESHOT)
- desc->status |= IRQ_ONESHOT;
+ desc->istate |= IRQS_ONESHOT;
if (!(desc->status & IRQ_NOAUTOEN))
irq_startup(desc);